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Ecology Review

Total questions: 30

Worksheet time: 20mins

Name
Class
Date
1.

Fill in the missing words (in correct order) from the Ecology organization:

Organism -> _____ -> _____ -> Ecosystem -> Biosphere

a)

biome, community

b)

community, population

c)

population, community

d)

population, biome

2.

If the deer population decreased in Yellowstone National Park, what would happen to the wolf population?

a)

it would stay the same

b)

it would decrease

c)

it would increase

3.

What do plants need for photosynthesis?

a)

water, soil, oxygen

b)

water, sunlight, carbon dioxide

c)

water, sunlight, oxygen

d)

water, soil, sunlight

4.

If the deer population in Yellowstone National Park increases, what happens to the amount of resources in the area?

a)

stays the same

b)

decreases

c)

increases

5.

The plant in this food chain is a ____________.

a)

producer

b)

consumer

c)

decomposer

d)

herbivore

6.

The lion in this food chain is a ____________.

a)

producer

b)

primary consumer

c)

secondary consumer

d)

tertiary consumer

7.

________ is the variety of all types of organisms living in a given 

      area.

a)

ecology

b)

biodiversity

c)

ecosystem

d)

population

8.

Who are the primary consumers in this food web?

a)

grasses

b)

rabbit, mouse, grasshopper

c)

owl, frog, bird

d)

owl, rabbit, grasshopper

9.

Plants are ___________.

a)

heterotrophs

b)

autotrophs

10.

The living factors in the environment are called _________.

a)

abiotic

b)

biotic

11.

The non-living factors in the environment are called _________.

a)

abiotic

b)

biotic

12.

Dead grasshoppers are __________ factors of the environment.

a)

biotic

b)

abiotic

13.

A symbiotic relationship where one organism benefits and the other is harmed is ____________.

a)

commensalism

b)

mutualism

c)

parasitism

d)

predation

14.

A symbiotic relationship where both organisms benefits is ____________.

a)

commensalism

b)

mutualism

c)

parasitism

d)

predation

15.

A symbiotic relationship where one organism benefits and the other is unaffected is ____________.

a)

commensalism

b)

mutualism

c)

parasitism

d)

predation

16.

A symbiotic relationship where one organism hunts the other organism for food is ____________.

a)

commensalism

b)

mutualism

c)

parasitism

d)

predation

17.

The study of how organisms interact with each other and their environment is ________.

a)

ecosystem

b)

biodiversity

c)

ecology

d)

biotic

18.

All of the living and nonliving things in one place is __________.

a)

ecosystem

b)

abiotic

c)

ecology

d)

biotic

19.
An organism that needs to eat other organisms to obtain energy is known as a:
a)
Autotroph
b)
Producer
c)
Consumer
d)
Mutualist
20.
What is a herbivore?
a)
an animal that gets energy from eating other animals
b)
an organism that gets energy from eating only plants
c)
an animal that gets energy by eating both plants and other animals
d)
an animal that eats only herbs
21.
An organism that gets energy from breaking down dead organisms, non-living material or waste is a(an) ___________.
a)
producer
b)
consumer
c)
decomposer
d)
autotroph
22.
The shrew provides energy for the _______.
a)
cricket
b)
grasshopper
c)
frog
d)
snake
23.

What would happen to the rabbit population if the fox population moved out of the area represented by the food web?

a)

The rabbit population would increase

b)

The rabbit population would decrease

c)

The rabbit population would neither increase nor decrease

24.
What might happen if you remove a primary consumer from the ecosystem?
a)
There would be more food for secondary consumers.
b)
The number of primary consumers would increase.
c)
The number of plants would increase.
d)
The number of secondary consumers would increase.
25.

How does the mouse get energy in this food web?

a)

From a producer

b)

From a consumer

c)

By turning light into food

d)

By releasing Carbon Dioxide

26.

What is true about this food web

a)

The shrubs receive matter from the rabbit

b)

The Coyote receives matter directly from the shrubs

c)

The Mountain Lion receives matter directly from the fox

d)

Coyotes receives matter from kangaroo rats

27.

Clownfish live inside sea anemones. They eat creatures that harm anemones, while anemones protect clownfish from predators. This is an example of:

a)

Mutualism

b)

Commensalism

c)

Parasitism

d)

Amensalism

28.

Tapeworms reside in human intestine and take nutrients from the human

a)

symbiosis

b)

parasitism

c)

mutualism

d)

commensalism

29.

What percentage of energy is passed on to the next trophic level?

a)

5%

b)

10%

c)

50%

d)

90%

30.

Which one eats ONLY producers?

a)

Primary consumers

b)

Secondary consumers

c)

Tertiary consumers